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@@ -106,15 +106,16 @@ |
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{ |
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{ |
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struct ieee80211_bssid bssid; |
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struct ieee80211_bssid bssid; |
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int sockfd; |
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int sockfd; |
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memset(&bssid, 0, sizeof(bssid)); |
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memset(&bssid, 0, sizeof(bssid)); |
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memset(nr, 0, sizeof(struct ieee80211_nodereq)); |
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memset(nr, 0, sizeof(struct ieee80211_nodereq)); |
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if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { |
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if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { |
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fprintf(stderr, "socket 'AF_INET': %s\n", |
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fprintf(stderr, "socket 'AF_INET': %s\n", |
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strerror(errno)); |
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strerror(errno)); |
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return 0; |
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return 0; |
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} |
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} |
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strlcpy(bssid.i_name, iface, sizeof(bssid.i_name)); |
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strlcpy(bssid.i_name, iface, sizeof(bssid.i_name)); |
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if ((ioctl(sockfd, SIOCG80211BSSID, &bssid)) == -1) { |
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if ((ioctl(sockfd, SIOCG80211BSSID, &bssid)) < 0) { |
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fprintf(stderr, "ioctl 'SIOCG80211BSSID': %s\n", |
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fprintf(stderr, "ioctl 'SIOCG80211BSSID': %s\n", |
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strerror(errno)); |
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strerror(errno)); |
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close(sockfd); |
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close(sockfd); |
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@@ -122,14 +123,14 @@ |
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} |
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} |
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strlcpy(nr->nr_ifname, iface, sizeof(nr->nr_ifname)); |
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strlcpy(nr->nr_ifname, iface, sizeof(nr->nr_ifname)); |
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memmove(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr)); |
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memmove(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr)); |
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if ((ioctl(sockfd, SIOCG80211NODE, nr)) == -1 && nr->nr_rssi) { |
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if ((ioctl(sockfd, SIOCG80211NODE, nr)) < 0 && nr->nr_rssi) { |
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fprintf(stderr, "ioctl 'SIOCG80211NODE': %s\n", |
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fprintf(stderr, "ioctl 'SIOCG80211NODE': %s\n", |
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strerror(errno)); |
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strerror(errno)); |
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close(sockfd); |
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close(sockfd); |
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return 0; |
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return 0; |
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} |
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} |
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return close(sockfd), 1; |
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return close(sockfd), 1; |
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} |
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} |
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const char * |
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const char * |
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@@ -139,13 +140,15 @@ |
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int q; |
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int q; |
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if (load_ieee80211_nodereq(iface, &nr)) { |
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if (load_ieee80211_nodereq(iface, &nr)) { |
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if (nr.nr_max_rssi) |
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if (nr.nr_max_rssi) { |
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q = IEEE80211_NODEREQ_RSSI(&nr); |
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q = IEEE80211_NODEREQ_RSSI(&nr); |
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else |
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} else { |
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q = nr.nr_rssi >= -50 ? 100 : (nr.nr_rssi <= -100 ? 0 : |
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q = nr.nr_rssi >= -50 ? 100 : (nr.nr_rssi <= -100 ? 0 : |
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(2 * (nr.nr_rssi + 100))); |
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(2 * (nr.nr_rssi + 100))); |
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} |
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return bprintf("%d", q); |
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return bprintf("%d", q); |
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} |
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} |
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return NULL; |
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return NULL; |
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} |
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} |
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@@ -157,7 +160,7 @@ |
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if (load_ieee80211_nodereq(iface, &nr)) { |
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if (load_ieee80211_nodereq(iface, &nr)) { |
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return bprintf("%s", nr.nr_nwid); |
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return bprintf("%s", nr.nr_nwid); |
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} |
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} |
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return NULL; |
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return NULL; |
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} |
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} |
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#endif |
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#endif |